In Korean:

• Sat and Sun are using the same word. 토 is Saturday, Sunday is supposed to be 일.
• The id for the incorrect translation is roadmap.timeline-table.components.chart.header-cells.sunday
• https://customerfeedback.atlassian.net/browse/JSF-690**

In Russian:

• Tue and Thur are using the same word.
  The id for the incorrect translation is  roadmap.timeline-table.components.chart.header-cells.thursday
• Sat and Sun are using the same word
  The id for the incorrect translation is  roadmap.timeline-table.components.chart.header-cells.sunday
• https://jira-feedback.atlassian.net/browse/FEEDBACK-22262

I double checked, and the description for the translators are accurate.